The blog ofJonathan Pepin

“In my retiring room I am by myself,” Jung said Deep Work: Professional activities performed in a state of distraction-free concentration that push your cognitive capabilities to their limit. These efforts create new value, improve your skill, and are hard...

this post is still a draft as I'm working on the examples design and ux We don't often think (or know) about it, but our everyday use of numbers is only one representation of values amongst many. If I ask...

Prepare Rails and local environment First, let's install postgres. On Mac, brew install postgres should do the trick. On other systems, looks at the Postgres official install page (https://www.postgresql.org/download/). Then, switch the Rails app to using Postgres. In your Gemfile,...

What is the problem 1. Local and Prod work differently. Once you have a Rails app working locally, a lot of setup has to be done to get the app in production 2. PaaS like Heroku automate everything for...

Although this post will use Flask for examples, this applies pretty much to any environment. ## Why do you need a config? ### Configs allow you to keep things DRY One of the most known concepts in software engineering is...

Raw Kindle notes for Ogilvy On Advertising by David Ogilvy (http://a.co/geSdYmX) I do not regard advertising as entertainment or an art form, but as a medium of information. Consumers still buy products whose advertising promises them value for money, beauty, nutrition,...

travel is expensive, need money * depressed when going back home bc no more money * shovelling allows to cope with depression -> 12 startups in 12 months * nomad list was a shared spreadsheet by mistake, now big...

The new ES6 module system offers a built in export system coming with a better syntax than previously used CommonJS and AMD modules. You can now export modules with the following syntax: javascript class Foo {} export default Foo;...